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    <title>第二章 WebGL 入门</title>
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<ul>
    <li><a href="01/index.html">01 - DrawRectangle</a></li>
    <li><a href="02/index.html">02 - HelloCanvas</a></li>
    <li><a href="03/index.html">03 - 绘制一个点（版本1）</a></li>
    <li><a href="04/index.html">04 - 绘制一个点（版本2）</a></li>
    <li><a href="05/index.html">05 - 鼠标点击绘制点</a></li>
    <li><a href="06/index.html">06 - 改变点的颜色</a></li>
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